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Home >> Mercedes Benz >> 2005 >> E500 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbocharging - 211 Chassis >> Testing & Repair >> Remove/install turbocharger - AR09.40-P-6020T

Remove/install turbocharger - AR09.40-P-6020T

ENGINE 646.951 in MODEL 211.004 

ENGINE 646.961 in MODEL 211.006 /206 /606 

ENGINE 647.961 in MODEL 211.016 /216 /616 

ENGINE 648.961 in MODEL 211.023 /223 /026 /226 

Fig 1: Identifying Turbocharger Components - Shown On Engine 646.961
G04982878

Shown on engine 646.961 

MODIFICATION NOTES

25.1.05 Notes on installing the sealing ring for the air intake hose on the turbocharger added. Step 5 AH09.40-P-0001-02OM 
10.2.05 Bolt for turbocharger support brace on alternator altered Step 7.1  
REMOVINGINSTALLING Remove/install    
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the and position the four support plates below the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near engine Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
AS00.00-Z-0005-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
1 Remove bottom section of sound-proofing capsule   AR94.30-P-5300T
2 Remove air filter housing   AR09.10-P-1150T 
3 Remove heat shield above turbocharger (3)   AR49.00-P-1000-01T
4.1 Loosen primary catalytic converter Engine 646.951 in model 211.004 except particulate filter code 474
Engine 646.961 in model 211.006/206/606 except particulate filter code 474
Engine 647.961 in model 211.016/216/616
IMPORTANT Near-engine mounted on the turbocharger (3) and bracket on the crankcase.
AR49.10-P-5510T
4.2 Loosen catalytic converter Engine 646.951 in model 211.004 with particulate filter code 474
Engine 646.961 in model 211.006/206/606 with particulate filter code 474
Engine 648.961 in model 211.026/226 except particulate filter, code 474
AR49.10-P-5500TS
    IMPORTANT On the turbocharger (3) and bracket on the crankcase. AR49.10-P-5500TA
4.3 Loosen catalytic converter-diesel particulate filter device Engine 648.961 in model 211.026/226 with particulate filter, code 474
Engine 648.961 in model 211.023/223
IMPORTANT On the turbocharger (3) and bracket on the crankcase.
AR49.10-P-5501TA
5 Remove air intake hose (1) NOTESInstallation:  the air intake hose (1) must not be installed along with the sealing ring, otherwise the sealing ring will be crushed. Parts of the crushed sealing ring may then damage the turbocharger (3).
IMPORTANTInstallation:  first fit the sealing ring for the air intake hose (1) on the turbocharger (3). Check condition of air intake hose (1) and hose clamp.
 
NOTES Notes on installing the air intake hose on the turbocharger   AH09.40-P-0001-02OM 
6.1 Remove charge air pipe (2) Engine 951/961646, 647.961 AR09.41-P-1311T
6.2 Detach engine charge air duct from exhaust turbocharger (3) Engine 648.961 AR09.41-P-8623T
7.1 Disconnect turbocharger (3) from alternator Engine 646, 647
IMPORTANT To do this, unscrew bolts (4).
 
REFER TO COMPONENT MODIFICATIONS Bolt on support brace between turbocharger and alternator altered Engine 646 BT09.40-P-0003-01A
    TORQUE SPECIFICATION Bolt of alternator to timing case cover *BA15.40-P-1001-01D 
    TORQUE SPECIFICATION Bolt for turbocharger support on alternator *BA09.40-P-1009-01E 
    SPECIAL TOOL Torque wrench Fig 2
    COMMERCIALLY AVAILABLE TOOLS Plug in TORX box wrench *WH58.30-Z-1065-06A 
8 Remove oil feed line (5) NOTESInstallation:  Replace sealing rings, in order to preclude leakage.
IMPORTANT At cylinder head and turbocharger (3) by removing bolts (6, 7).
 
    TORQUE SPECIFICATION Bolt of oil feed line to turbocharger *BA09.40-P-1003-01E 
    TORQUE SPECIFICATION Bolt of oil feed line to cylinder head *BA09.40-P-1004-01E 
9 Remove support brace (9) on underside of the turbocharger (3) IMPORTANT Unscrew bolt (10).
IMPORTANTInstallation:  to install the exhaust gas turbocharger (3) without tension, loosen the support bolt (9) on the crankcase
 
    TORQUE SPECIFICATION Bolt of support to turbocharger *BA09.40-P-1005-01E 
    TORQUE SPECIFICATION Bolt of turbocharger support to crankcase *BA09.40-P-1006-01E 
10 Unplug connector (11) from turbocharger (3)    
11 Dismount the turbocharger (3) from the exhaust manifold IMPORTANT Unscrew bolts (12).  
    TORQUE SPECIFICATION Flange connection of exhaust manifold to turbocharger *BA09.40-P-1001-01E 
12 Lift turbocharger (3) up and out IMPORTANT The oil drain line (8) must be taken out upwards simultaneously.
IMPORTANT Collect oil which flows out in a suitable vessel.
 
13.1 Dismount oil drain line (8) from turbocharger (3) Only if turbocharger (3) is replaced.  
    TORQUE SPECIFICATION Bolt of oil drain line to turbocharger *BA09.40-P-1002-01E 
14.1 Remove heat shield on turbocharger (3) and machine Model 211.016/216/616 up to 01.03.04 with engine 647.961, when installing new turbocharger
IMPORTANT Remove heat shield from side of turbocharger (3)
AR09.40-P-6020-12T
15 Install in the reverse order    
INSPECT Check     
16 Check engine oil level Engine 646 in model 211 with Lanchester AR18.00-P-3035-01T
    Engine 646 in model 211 without Lanchester AR18.00-P-3035-01Q
    Engine 647 in model 211 AR18.00-P-3035-01S
    Engine 648 in model 211 AR18.00-P-3035-01BD
17 Inspect engine for leaks IMPORTANT With engine running.  
18 Read out fault memory and erase IMPORTANT Stored faults which may be caused by removal, test work, removed lines or a simulation, must be processed and erased in the fault memories after completing the work.  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
    STAR DIAGNOSIS diagnosis system *WH58.30-Z-1048-13A 
TORQUE SPECIFICATION TURBOCHARGER

Number Designation Engine 646.951/ 961, 647, 648
BA09.40-P-1001-01E Flange connection connecting exhaust manifold to turbocharger Stage 1 Nm 30
Stage 2 ∠° -
BA09.40-P-1002-01E Bolt connecting oil drain line to turbocharger Nm 9
BA09.40-P-1003-01E Bolt connecting oil feed line to turbocharger Nm 20
BA09.40-P-1004-01E Bolt connecting oil feed line to cylinder head Nm 9
BA09.40-P-1005-01E Bolt connecting support to turbocharger Nm 30
BA09.40-P-1006-01E Bolt connecting turbocharger support to crankcase Nm 20
BA09.40-P-1009-01E Bolt connecting turbocharger support to alternator M6 Nm 9
TORQUE SPECIFICATION ALTERNATOR

Number Designation Engine 646.951/ 961, 647.961, 648
BA15.40-P-1001-01D Bolt connecting alternator to timing case cover Nm 20
Fig 2: Identifying Torque Wrench (001 589 86 21 00)
G04982879
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1065-06A Plug in TORX box wrench
WH58.30-Z-1048-13A STAR DIAGNOSIS diagnosis system, Compact Passenger Car 6511 1801 00